18939469824

Names of 18939469824

• Cardinal: 18939469824 can be written as Eighteen billion, nine hundred thirty-nine million, four hundred sixty-nine thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 1.8939469824 × 10¹⁰

Factors of 18939469824

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 209

Divisors of 18939469824

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 64 66 72 88 96 99 121 128 132 144 176 192 193 198 242 256 264 288 352 363 384 386 396 484 512 528 576 579 704 726 768 772 792 968 1024 1056 1089 1152 1158 1331 1408 1452 1536 1544 1584 1737 1936 2048 2112 2123 2178 2304 2316 2662 2816 2904 3072 3088 3168 3474 3872 3993 4096 4224 4246 4356 4608 4632 5324 5632 5808 6144 6176 6336 6369 6948 7744 7986 8192 8448 8492 8712 9216 9264 10648 11264 11616 11979 12288 12352 12672 12738 13896 15488 15972 16896 16984 17424 18432 18528 19107 21296 22528 23232 23353 23958 24576 24704 25344 25476 27792 30976 31944 33792 33968 34848 36864 37056 38214 42592 45056 46464 46706 47916 49408 50688 50952 55584 61952 63888 67584 67936 69696 70059 73728 74112 76428 85184 90112 92928 93412 95832 98816 101376 101904 111168 123904 127776 135168 135872 139392 140118 148224 152856 170368 185856 186824 191664 197632 202752 203808 210177 222336 247808 255552 256883 270336 271744 278784 280236 296448 305712 340736 371712 373648 383328 395264 405504 407616 420354 444672 495616 511104 513766 543488 557568 560472 592896 611424 681472 743424 747296 766656 770649 790528 811008 815232 840708 889344 991232 1022208 1027532 1086976 1115136 1120944 1185792 1222848 1362944 1486848 1494592 1533312 1541298 1581056 1630464 1681416 1778688 2044416 2055064 2173952 2230272 2241888 2311947 2371584 2445696 2725888 2973696 2989184 3066624 3082596 3260928 3362832 3557376 4088832 4110128 4347904 4460544 4483776 4623894 4743168 4891392 5451776 5978368 6133248 6165192 6521856 6725664 7114752 8177664 8220256 8695808 8921088 8967552 9247788 9782784 10903552 11956736 12266496 12330384 13043712 13451328 14229504 16355328 16440512 17391616 17935104 18495576 19565568 23913472 24532992 24660768 26087424 26902656 32710656 32881024 35870208 36991152 39131136 47826944 49065984 49321536 52174848 53805312 65762048 71740416 73982304 78262272 95653888 98131968 98643072 107610624 131524096 143480832 147964608 156524544 191307776 197286144 215221248 263048192 286961664 295929216 394572288 430442496 526096384 573923328 591858432 789144576 860884992 1052192768 1183716864 1578289152 1721769984 2104385536 2367433728 3156578304 4734867456 6313156608 9469734912 18939469824
• Sum of all divisors σ(n): 60489443664
• Sum of proper divisors (its aliquot sum) s(n): 41549973840
• 18939469824 is an abundant number, because the sum of its proper divisors (41549973840) is greater than itself. Its abundance is 22610504016

Bases of 18939469824

• Binary: 10001101000111000010110000000000000₂
• Hexadecimal: 0x468E16000
• Base-36: 8P82KG0

Squares and roots of 18939469824

• 18939469824 squared (18939469824²) is 358703517214206590976
• 18939469824 cubed (18939469824³) is 6793654440041130273891862708224
• The square root of 18939469824 is 137620.7463429843
• The cube root of 18939469824 is 2665.5649706901

Scales and comparisons

• 18,939,469,824 seconds is equal to 602 years, 11 weeks, 1 day, 19 hours, 50 minutes, 24 seconds.
• To count from 1 to 18,939,469,824 would take you about one thousand, two hundred four years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18939469824 cubic inches would be around 222.1 feet tall.

Recreational maths with 18939469824

• 18939469824 backwards is 42896493981
• The number of decimal digits it has is: 11
• The sum of 18939469824's digits is 63
• More coming soon!